IPC Subgroup
F03G 7/1 Alleged
Introduced: September 1968
Last revised: January 2006
Full Title
Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for > Alleged
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- Subclass:
- SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
Related Keywords
alleged mechanical PERPETUA MOBILIA
Top Applicants
Top 10 applicants by patent filingsfor class F03, 2013–2023, worldwide · Source: EPO PATSTAT
- VESTAS DK 3,539
- WOBBEN PROPERTIES DE 2,922
- SIEMENS GAMESA RENEWABLE ENERGY DK 2,747
- GE (GENERAL ELECTRIC COMPANY) US 2,356
- BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT COMPANY 1,228
- SIEMENS DE 886
- SGCC(STATE GRID CORPORATION OF CHINA) 831
- HUANENG CLEAN ENERGY RESEARCH INSTITUTE 785
- MING YANG SMART ENERGY GROUP. 652
- LM WIND POWER DK 600